The Body Mass Index (known as BMI) is the most accurate tool in assessing health and weight. BMI uses both body weight and body fat to determine health status. (this is different from the simple online calculators because the true test takes excess skin measurements using calipers).
A warm-up exercise reduces the risk of injury. Try a short warm-up exercise before you work out. Even 5 minutes can make your workout more effective
One of the most common injuries at the gym is smashing fingers between weight plates. So, pay attention when lifting the plates on and off!